How Trailer Wiring Testers Work
Correcting problems with electrical wiring can be intimidating, particularly when it involves connecting two large, mobile objects like a tow vehicle and a trailer. It might be easy to detect if something is wrong — the most obvious indicator is that the trailer’s brake or turn signal lights won’t light up. But some wiring issues can be harder to detect and narrowing down the specific problem can be even trickier. That’s where wiring testers come in.